grow apart
US /ɡroʊ əˈpɑːrt/
UK /ɡroʊ əˈpɑːrt/

1.
distanciarse, separarse
If two people grow apart, their relationship changes over time, and they become less close or stop being friends.
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After college, we started to grow apart as our lives took different paths.
Después de la universidad, empezamos a distanciarnos a medida que nuestras vidas tomaban caminos diferentes.
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It's sad when old friends grow apart.
Es triste cuando los viejos amigos se distancian.